Prime239v1 root certificate cannot be verified

3ric_T <[email protected]> Wed, 11 Dec 2019 07:48:58 -0600 (CST)

Newsgroups	gmane.comp.encryption.bouncy-castle.devel
Message-ID	<[email protected]>

Hi

  When I try to verify a ECDSA prime239v1 self-signed certificate with BC
version 1.64, it fails with the error:

  Here are a piece of code which can be used to reproduce:


I debugged the code and it fails in this fragment of verifySignature method
in ECDSASigner class, which retrun false:

This verification fails with SUN but succeeds with OpenSSL and the ASN1
structure of the certificate doesn't seem to be invalid.

Could you help me?
Thanks



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